public void AlignSelected(object parameter)
{
string alignType = parameter.ToString();
if (DynamoSelection.Instance.Selection.Count <= 1)
{
return;
}
// All the models in the selection will be modified,
// record their current states before anything gets changed.
SmartCollection <ISelectable> selection = DynamoSelection.Instance.Selection;
IEnumerable <ModelBase> models = selection.OfType <ModelBase>();
WorkspaceModel.RecordModelsForModification(models.ToList(), Model.UndoRecorder);
var toAlign = DynamoSelection.Instance.Selection.OfType <ILocatable>().ToList();
switch (alignType)
{
case "HorizontalCenter":
{
var xAll = GetSelectionAverageX();
toAlign.ForEach((x) => { x.CenterX = xAll; });
}
break;
case "HorizontalLeft":
{
var xAll = GetSelectionMinX();
toAlign.ForEach((x) => { x.X = xAll; });
}
break;
case "HorizontalRight":
{
var xAll = GetSelectionMaxX();
toAlign.ForEach((x) => { x.X = xAll - x.Width; });
}
break;
case "VerticalCenter":
{
var yAll = GetSelectionAverageY();
toAlign.ForEach((x) => { x.CenterY = yAll; });
}
break;
case "VerticalTop":
{
var yAll = GetSelectionMinY();
toAlign.ForEach((x) => { x.Y = yAll; });
}
break;
case "VerticalBottom":
{
var yAll = GetSelectionMaxY();
toAlign.ForEach((x) => { x.Y = yAll - x.Height; });
}
break;
case "VerticalDistribute":
{
if (DynamoSelection.Instance.Selection.Count <= 2)
{
return;
}
var yMin = GetSelectionMinY();
var yMax = GetSelectionMaxY();
var spacing = 0.0;
var span = yMax - yMin;
var nodeHeightSum =
DynamoSelection.Instance.Selection.Where(y => y is ILocatable)
.Cast <ILocatable>()
.Sum((y) => y.Height);
if (span > nodeHeightSum)
{
spacing = (span - nodeHeightSum)
/ (DynamoSelection.Instance.Selection.Count - 1);
}
var cursor = yMin;
foreach (var node in toAlign.OrderBy(y => y.Y))
{
node.Y = cursor;
cursor += node.Height + spacing;
}
}
break;
case "HorizontalDistribute":
{
if (DynamoSelection.Instance.Selection.Count <= 2)
{
return;
}
var xMin = GetSelectionMinX();
var xMax = GetSelectionMaxX();
var spacing = 0.0;
var span = xMax - xMin;
var nodeWidthSum =
DynamoSelection.Instance.Selection.Where((x) => x is ILocatable)
.Cast <ILocatable>()
.Sum((x) => x.Width);
// If there is more span than total node width,
// distribute the nodes with a gap. If not, leave
// the spacing at 0 and the nodes will distribute
// up against each other.
if (span > nodeWidthSum)
{
spacing = (span - nodeWidthSum)
/ (DynamoSelection.Instance.Selection.Count - 1);
}
var cursor = xMin;
foreach (var node in toAlign.OrderBy(x => x.X))
{
node.X = cursor;
cursor += node.Width + spacing;
}
}
break;
}
toAlign.ForEach(x => x.ReportPosition());
}
public void AlignSelected(object parameter)
{
string alignType = parameter.ToString();
if (DynamoSelection.Instance.Selection.Count <= 1)
{
return;
}
// All the models in the selection will be modified,
// record their current states before anything gets changed.
SmartCollection <ISelectable> selection = DynamoSelection.Instance.Selection;
IEnumerable <ModelBase> models = selection.OfType <ModelBase>();
_model.RecordModelsForModification(models.ToList());
var toAlign = DynamoSelection.Instance.Selection.Where((x) => x is ILocatable)
.Cast <ILocatable>()
.ToList();
if (alignType == "HorizontalCenter") // make vertial line of elements
{
var xAll = GetSelectionAverageX();
toAlign.ForEach((x) => { x.CenterX = xAll; });
}
else if (alignType == "HorizontalLeft")
{
var xAll = GetSelectionMinX();
toAlign.ForEach((x) => { x.X = xAll; });
}
else if (alignType == "HorizontalRight")
{
var xAll = GetSelectionMaxX();
toAlign.ForEach((x) => { x.X = xAll - x.Width; });
}
else if (alignType == "VerticalCenter")
{
var yAll = GetSelectionAverageY();
toAlign.ForEach((x) => { x.CenterY = yAll; });
}
else if (alignType == "VerticalTop")
{
var yAll = GetSelectionMinY();
toAlign.ForEach((x) => { x.Y = yAll; });
}
else if (alignType == "VerticalBottom")
{
var yAll = GetSelectionMaxY();
toAlign.ForEach((x) => { x.Y = yAll - x.Height; });
}
else if (alignType == "VerticalDistribute")
{
if (DynamoSelection.Instance.Selection.Count <= 2)
{
return;
}
var yMin = GetSelectionMinY();
var yMax = GetSelectionMaxTopY();
var spacing = (yMax - yMin) / (DynamoSelection.Instance.Selection.Count - 1);
int count = 0;
toAlign.OrderBy((x) => x.Y)
.ToList()
.ForEach((x) => x.Y = yMin + spacing * count++);
}
else if (alignType == "HorizontalDistribute")
{
if (DynamoSelection.Instance.Selection.Count <= 2)
{
return;
}
var xMin = GetSelectionMinX();
var xMax = GetSelectionMaxLeftX();
var spacing = (xMax - xMin) / (DynamoSelection.Instance.Selection.Count - 1);
int count = 0;
toAlign.OrderBy((x) => x.X)
.ToList()
.ForEach((x) => x.X = xMin + spacing * count++);
}
toAlign.ForEach(x => x.ReportPosition());
}